Portion of a shoe sole



FIG. 1 is a perspective view of a portion of a shoe sole showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a perspective view of a portion of a shoe sole showing a second embodiment of my new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a front view thereof; and,

FIG. 10 is a rear view thereof.

The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe sole, as shown and described. 